Paragraph 1 4 GHz band
(National Grid References for 25km × 25km areas)
| NX5075 | NX7575 | NY0075 | |||||
| NY2525 | NY5025 | ||||||
| SD5025 | SD7525 | SE0025 | SE5025 | ||||
| SD5000 | SD7500 | SE0000 | SE2500 | SE5000 | |||
| SJ5075 | SJ7575 | SJ0075 | SK2575 | SK5075 | |||
| SJ0050 | SJ2550 | SJ5050 | SJ7550 | ||||
| SJ0025 | SJ2525 | SJ5025 | SJ7525 | TF0025 | TF2525 | ||
| SJ7500 | SP0000 | SJ2500 | SJ5000 | SJ7500 | TF0000 | TF2500 | |
| SO7575 | SP0075 | SP2575 | SP5075 | SP7575 | TL0075 | TL2575 | |
| SO7550 | SP0050 | SP2550 | SP5075 | ||||
| SO2500 | SO5000 | SO7500 | SP0000 | SP7500 | TL0000 | TL2500 | |
| ST2575 | ST5075 | ST7550 | SU5075 | SU7575 | TQ0075 | TQ2575 | |
| ST2550 | ST5050 | ST7575 | SU5050 | SU7550 | TQ0050 | TQ2550 | TQ5050 |
| SS5000 | |||||||
| SX0075 | SX2575 | SX5075 | SX7575 | ||||
| SX2550 | SX5050 | SX7550 |